Atmel Media Support
Products > AVRŽ 8-Bit RISC > Product Card
ATmega640
: :
64-Kbyte self-programming Flash Program Memory, 8-Kbyte SRAM, 4-KByte EEPROM, 16 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 MHz. 1.8 - 5.5 Volt Operation.
128KB/64-pin version: ATmega1281
128KB/100-pin version: ATmega1280
256KB/64-pin version: ATmega2561
256KB/100-pin version: ATmega2560
Flash (Kbytes) 64
EEPROM (Kbytes) 4
SRAM (Bytes) 8192
Max I/O Pins 86
F.max (MHz) 16
Vcc (V) 1.8-5.5
   TQFP 100
 CBGA 100
More
View Related Documents and Tools
Distributor InventoryCheck Distributor Inventory
:
ATmega640/1280/1281/2560/2561 Preliminary Summary (37 pages, revision L, updated 08/07)
ATmega640/1280/1281/2560/2561 Preliminary (448 pages, revision L, updated 08/07)
 
:
AVR040: EMC Design Considerations (18 pages, revision D, updated 6/06)
This Application Note covers the most common EMC problems designers encounter when using Microcontrollers.
AVR042: AVR Hardware Design Considerations (14 pages, revision F, updated 4/08)
This Application Note covers the most common problems encountered when switching to a new microcontroller architecture like the AVR. Solutions and considerations for the most common design challenges are covered.
AVR000: Register and Bit-Name Definitions for the AVR Microcontroller (2 pages, revision C, updated 11/09)
This Application Note contains files which allow the user to use Register and Bit names from the databook when writing assembly programs.
AVR030: Getting Started with IAR Embedded Workbench for Atmel AVR (10 pages, revision D, updated 10/04)
The purpose of this application note is to guide new users through the initial settings of IAR Embedded Workbench, and compile a simple C-program.
AVR031: Getting Started with ImageCraft C for AVR (8 pages, revision B, updated 5/02)
The purpose of this Application Note is to guide new users through the initial settings of the ImageCraft IDE and compile a simple C program.
AVR032: Linker Command Files for the IAR ICCA90 Compiler (11 pages, revision B, updated 5/02)
This Application Note describes how to make a linker command file for use with the IAR ICCA90 C-compiler for the AVR Microcontroller.
  Other Related Application Notes
  
:
Debug Tool: AVR JTAGICE mkII
Design Software: AVR Studio 4
QTouch Library 3.1
QTouch Studio 3.0.0
Emulator: Mature ATICE50
In-System Programming: AVR ISP In-System Programmer
AVRISP mkII In-System Programmer
Starter Kit: ATSTK500
ATSTK503
ATSTK600
ATSTK600-TQFP100
Software Files: AVR IBIS - Mega files
Zip archive with IBIS files for Atmel AVR Mega devices.
AVRSVF
AVRsvf is a commandline software that is used to generate Serial Vector Format (SVF) files with complete programming algorithms and content for all Atmel AVR devices with a JTAG interface. SVF files are used as input to most common JTAG programmers or ATE testers.
Register to download QTouch Library
 
:
AVR JTAGICE mkII
AVR Studio 4
See more FAQs
  
:
8-bit Microcontroller Drives Battery-powered Thermostat (Article, 2 pages, updated 1/04)
Algorithm Builder for AVR (Article, 2 pages, updated 1/04)
Atmel AVR-based Constant Current Supply (Article, 4 pages, updated 1/04)
AVR and AVR32 - Quick Reference Guide (Overview, 68 pages, revision I, updated 5/09)
Introduction of the product range of AVR and AVR32 microcontrollers and application processors:
  • Device family description
  • Key features
  • Device selection guides
  • Application oriented device families
  • Tools offer
AVR Instruction Set (User Guide, 155 pages, revision H, updated 7/09)
Heterogeneous Device Networking (Article, 2 pages, updated 1/04)
High-level Tool Targeted for AVR Controllers (Article, 2 pages, updated 1/04)